Machine center



FIG. 1 is a perspective view of a machine center showing our new design.

FIG. 2 is a front elevational view of the machine center.

FIG. 3 is a rear elevational view of the machine center.

FIG. 4 is a left side view of the machine center.

FIG. 5 is a right side view of the machine center.

FIG. 6 is a top view of the machine center; and,

FIG. 7 is rear perspective view of the machine center.

The broken lines are included for purposes of illustration and form no part of the claimed design. 

CLAIM The ornamental design for a machine center, as shown and described. 